Constructed of M-42 Cobalt High Speed Steel for super abrasive resistance in tough metals. They are used in left hand screw machines and with screw extractors. Can be used to drill out broken bolts and other hardened fasteners. Sizes 3/1" and above have a 3-flat shank which reduces slippage in the drill chuck.Specifications: 300LH Cobalt 135° Split Point / 3-Flat Shank Fractional / Bronze Size Flute Length Overall Length Part # 1/16" 5/8" 1-5/8" 300LH104 3/32" 3/4" 1-3/4" 300LH106 1/8" 7/8" 1-7/8" 300LH108 5/32" 1" 2-1/16" 300LH110 3/16" 1-1/8" 2-3/16" 300LH112 7/32" 1-1/4" 2-3/8" 300LH114 1/4" 1-3/8" 2-1/2" 300LH116 9/32" 1-1/2" 2-11/16" 300LH118 5/16" 1-5/8" 2-13/16" 300LH120 11/32" 1-11/16" 3" 300LH122 3/8" 1-13/16" 3-1/8" 300LH124 * All Pictures Shown Are For Illustration Purpose Only. Actual Product May Vary Due To Product Enhancement.
